Component desctiptor repository improvements

dao/src/main/java/org/thingsboard/server/dao/sql/component/AbstractComponentDescriptorInsertRepository.java

@@ -76,7 +76,8 @@ public abstract class AbstractComponentDescriptorInsertRepository implements Com
                 .setParameter("name", entity.getName())
                 .setParameter("scope", entity.getScope().name())
                 .setParameter("search_text", entity.getSearchText())
-                .setParameter("type", entity.getType().name());
+                .setParameter("type", entity.getType().name())
+                .setParameter("singleton", entity.getSingleton().name());
     }
 
     private ComponentDescriptorEntity processSaveOrUpdate(ComponentDescriptorEntity entity, String query) {

dao/src/main/java/org/thingsboard/server/dao/sql/component/SqlComponentDescriptorInsertRepository.java

@@ -44,10 +44,10 @@ public class SqlComponentDescriptorInsertRepository extends AbstractComponentDes
     }
 
     private static String getInsertOrUpdateStatement(String conflictKeyStatement, String updateKeyStatement) {
-        return "INSERT INTO component_descriptor (id, created_time, actions, clazz, configuration_descriptor, name, scope, search_text, type) VALUES (:id, :created_time, :actions, :clazz, :configuration_descriptor, :name, :scope, :search_text, :type) ON CONFLICT " + conflictKeyStatement + " DO UPDATE SET " + updateKeyStatement + " returning *";
+        return "INSERT INTO component_descriptor (id, created_time, actions, clazz, configuration_descriptor, name, scope, search_text, type, singleton) VALUES (:id, :created_time, :actions, :clazz, :configuration_descriptor, :name, :scope, :search_text, :type, :singleton) ON CONFLICT " + conflictKeyStatement + " DO UPDATE SET " + updateKeyStatement + " returning *";
     }
 
     private static String getUpdateStatement(String id) {
-        return "actions = :actions, " + id + ",created_time = :created_time, configuration_descriptor = :configuration_descriptor, name = :name, scope = :scope, search_text = :search_text, type = :type";
+        return "actions = :actions, " + id + ",created_time = :created_time, configuration_descriptor = :configuration_descriptor, name = :name, scope = :scope, search_text = :search_text, type = :type, singleton = :singleton";
     }
 }

dao/src/main/resources/sql/schema-entities.sql

@@ -125,7 +125,8 @@ CREATE TABLE IF NOT EXISTS component_descriptor (
     name varchar(255),
     scope varchar(255),
     search_text varchar(255),
-    type varchar(255)
+    type varchar(255),
+    singleton varchar(255)
 );
 
 CREATE TABLE IF NOT EXISTS customer (
@@ -187,6 +188,7 @@ CREATE TABLE IF NOT EXISTS rule_node (
     type varchar(255),
     name varchar(255),
     debug_mode boolean,
+    singleton_mode boolean,
     search_text varchar(255),
     external_id uuid
 );